AngersZhuuuu commented on a change in pull request #25611: [SPARK-28901][SQL]
SparkThriftServer's Cancel SQL Operation show it in JDBC Tab UI
URL: https://github.com/apache/spark/pull/25611#discussion_r319341975
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File path:
sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkExecuteStatementOperation.scala
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@@ -275,6 +279,7 @@ private[hive] class SparkExecuteStatementOperation(
override def cancel(): Unit = {
logInfo(s"Cancel '$statement' with $statementId")
cleanup(OperationState.CANCELED)
+ HiveThriftServer2.listener.onStatementCanceled(statementId)
Review comment:
> This can call `onStatementCanceled()` before the thread launching
`execute()` gets to `onStatementStarted()`, which will result in the listener
throwing an NoSuchElementException on executionList(id).
> `onStatementStarted()` could be moved to `runInternal()` in the main
thread to prevent that, but then the `catch` block there has to add
`onStatementError()`. It then would also be good to extend the `try` block to
the start of `execute()`
add a new status ExecutionState.PREPARED to fix this problem, call
onStatementPrepared in runInternal().
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